Fulltone Ultimate Octave
Update 201015 Upadated with a new layout with capacitors for the tone switch placed on the board.
Tools, Tones and Toys for Guitarists
Update 201015 Upadated with a new layout with capacitors for the tone switch placed on the board.
Now updated with corrected values since schematic online had quite a few resistor values wrong. Verified by Marcello M. And a short demo by MTK
With added reovery stage since original units had max volume just above unity.